diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e4cc5d75..a66931f2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,26 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [5.7.21] - 2025-08-14
+
+### Added
+
+- Add smooth property support for DciIconImage
+
+### Changed
+
+- Update translation configurations and translations
+- I18n: [dtkdeclarative] Updates for project Deepin Tool Kit (#514)
+- Update Transifex configuration
+- Translate dtkdeclarative.ts in ca
+
+### Fixed
+
+- Correct arrow list view button behavior
+- Correct dark theme color for warning button
+- Prevent icon blur by rounding alignment positions
+- Prevent icon blurring during scaling
+
 ## [5.7.20] - 2025-07-31
 
 ### Added
diff --git a/VERSION b/VERSION
index b0917fb0e..fcad0d34c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.7.20
+5.7.21
diff --git a/archlinux/PKGBUILD b/archlinux/PKGBUILD
index 905a40e21..d354d361d 100644
--- a/archlinux/PKGBUILD
+++ b/archlinux/PKGBUILD
@@ -1,6 +1,6 @@
 # Maintainer: zccrs <zhangjide@deepin.org>
 pkgname=dtkdeclarative-git
-pkgver=5.7.20
+pkgver=5.7.21
 pkgrel=1
 sourcename=dtkdeclarative
 sourcetars=("$sourcename"_"$pkgver".tar.xz)
diff --git a/debian/changelog b/debian/changelog
index 485f7c87f..c6c572b32 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+dtkdeclarative (5.7.21) unstable; urgency=medium
+
+  * Release 5.7.21
+
+ --  yeshanshan <packages@deepin.org>  Thu, 14 Aug 2025 19:47:37 +0800
+
 dtkdeclarative (5.7.20) unstable; urgency=medium
 
   * Release 5.7.20